Samsung SM-J710FN User manual

Mobile Device
SM-J710FN
1. Safety Precautions
2. Specification
3. Product Function
4. Exploded View and Parts list
5. MAIN Electrical Parts List
6. Level 1 Repair
7. Level 2 Repair
8. Level 3 Repair
9. Reference data
Notice: All functionality, features, specifications, and
other product information provided in this document,
including but not limited to, benefits, design, pricing,
components, performance, availability, and capabiliti-
es of the product are subject to change without
notice. Samsung reserves the right to alter this doc-
ument or the product described herein at anytime,
without obligation to provide notification of such
changes.
Mobile Device CONTENTS
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Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
2. Specification
2-1. GSM General Specification
GSM850 EGSM 900 DCS1800 PCS1900 WCDMA
2100 WCDMA 1900 WCDMA 900 WCMDA 850
Freq.
Band[MHz]
Uplink/
Downlink
824~849
869~894 880~915 925~960 1710~1785
1805~1880 1850~1910 1930~1990 1922~1977 2112~2167 1852~1907
1932~1987 880~915 925~960 824~849
869~894
ARFCN
range 128~251 0~124
& 975~1023 512~885 512~810
UL:
9612~9888
DL:
10562~10838
UL:
9262~9538
DL:
9662~9938
UL:
2712~2863
DL:
2937~3088
UL:
4132~4233
DL:
4357~4458
Tx/Rx
spacing 45MHz 45MHz 95MHz 80MHz 190MHz 80MHz 45MHz 45MHz
Mod. Bit
rate/
Bit Period
270.833kbps
3.692us 270.833kbps 3.692us 270.833kbps 3.692us 270.833kbps 3.692us 3.84Mcps 3.84Mcps 3.84Mcps 3.84Mcps
Time Slot
Period/
Frame
Period
576.9us
4.615ms 576.9us 4.615ms 576.9us 4.615ms 576.9us 4.615ms
FrameLength:
10ms
Slotlength:
0.667ms
FrameLength:
10ms
Slotlength:
0.667ms
FrameLength:
10ms
Slotlength:
0.667ms
FrameLength:
10ms
Slotlength:
0.667ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK QPSKHQPSK QPSKHQPSK QPSKHQPSK QPSKHQPSK
MS Power 33dBm~5dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm 24dBm~
-50dBm 24dBm~ -50dBm 24dBm~ -50dBm 24dBm~ -50dBm
Power
Class 5pcl ~ 19pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl 3(max+24dBm) 3(max+24dBm)
3(max+24dBm) 3(max+24dBm)
Sensitivity -102dBm -102dBm -100dBm -100dBm -106.7dBm -106.7dBm -106.7dBm -106.7dBm
TDMA Mux 8 8 8 8 8 8 8 8
Cell
Radius 35Km 35Km 2Km 2Km 2Km 2Km 2Km 2Km
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2. Specification
2-2. GSM Tx Power Class
TX Power
control level GSM850 TX Power control level EGSM900 TX Power control level DCS1800 TX Power control level PCS1900
5 33±2 dBm 5 33±2 dBm 0 30±3 dBm 0 30±3 dBm
6 31±2 dBm 6 31±2 dBm 1 28±3 dBm 1 28±3 dBm
7 29±2 dBm 7 29±2 dBm 2 26±3 dBm 2 26±3 dBm
8 27±2 dBm 8 27±2 dBm 3 24±3 dBm 3 24±3 dBm
9 25±2 dBm 9 25±2 dBm 4 22±3 dBm 4 22±3 dBm
10 23±2 dBm 10 23±2 dBm 5 20±3 dBm 5 20±3 dBm
11 21±2 dBm 11 21±2 dBm 6 18±3 dBm 6 18±3 dBm
12 19±2 dBm 12 19±2 dBm 7 16±3 dBm 7 16±3 dBm
13 17±2 dBm 13 17±2 dBm 8 14±3 dBm 8 14±3 dBm
14 15±2 dBm 14 15±2 dBm 9 12±4 dBm 9 12±4 dBm
15 13±2 dBm 15 13±2 dBm 10 10±4 dBm 10 10±4 dBm
16 11±3 dBm 16 11±3 dBm 11 8±4 dBm 11 8±4 dBm
17 9±3dBm 17 9±3dBm 12 6±4 dBm 12 6±4 dBm
18 7±3 dBm 18 7±3 dBm 13 4±4 dBm 13 4±4 dBm
19 5±3 dBm 19 5±3 dBm 14 2±5 dBm 14 2±5 dBm
15 0±5 dBm 15 0±5 dBm
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2. Specification
2-3. LTE General Specification
LTE Band1 LTE Band3 LTE Band5 LTE Band7 LTE Band8 LTE Band 20 LTE Band 40
Freq.
Band[MHz]
Uplink/
Downlink
1920~1980
2110~2170 1710~1785 1805~1880 824~849 869~894 2500~2570 1805~1880 2500~2570 1805~1880 704~716 734~746 2300~2400
ARFCN
range
UL:
18000~18599
DL:
0~599
UL:
19200~19950
DL:
1805~1880
UL:
20400~20649
DL:
2400~2649
UL:
20750~21449
DL:
2750~3449
UL:
21450~21799
DL:
3450~3799
UL:
24150~24449
DL:
6150~6449
UL, DL :
2300~2400
Tx/Rx
spacing 190MHz 95MHz 45MHz 120MHz 45MHz 41MHz -
Channel
Bandwidth 60 MHz 75 MHz 25 MHz 70 MHz 35 MHz 30 MHz 5/10/15/20
MHz
Modulatio
n QPSK,16/64QA M QPSK,16/64QA M QPSK,16/64QA M QPSK,16/64QA M QPSK,16/64QA M QPSK,16/64QA M QPSK,16/64QA M
MS Power
(MPR) -35~25.7 dBm -35~25.7 dBm -35~25.7 dBm -35~25.7 dBm -35~25.7 dBm -35~25.7 dBm -35~25.7 dBm
Sensitivit
(QPSK)
(BW
10MHz)
-94 dBm -92 dBm -92 dBm -95dBm -95dBm -95dBm -95dBm
Cell
Radius >5Km >5Km >5Km >5Km >5Km >5Km >5Km
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4. Exploded View and Parts List
4-1. Cellular phone Exploded View
QFR01
QMW01
QRF03
QFR02
QAR01
QCK02
QVO01
QCA01
QMP01
QCA02
QCR12
QSP01
QRE01
QCR151
QBC01
QKP01
QME01
QMO01
QRF04
QCK01
QRF02
QBA01
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4. Exploded View and Parts List
4-2. Cellular phone Parts list
Design LOC Description SEC CODE
QMP01 A/S ASSY-PBA MAIN(COMM)SM-J710FN/DS,SVC GH82-11757A
QCA01 ASSY CAMERA-1/3.06"_13M (SM-J710FN) GH96-09778A
QCA02 ASSY CAMERA-LSI 1/5" 5M CMOS_SM-A510F GH96-09573A
QBA01 INNER BATTERY PACK-EB-BJ710CBE,3300MAH GH43-04599A
QBC01 ASSY COVER-BATT GLOBAL_NON NFC (ZD) GH98-39699A
QSP01 MICRO SPEAKER 3001-002824
QRE01 ASSY CASE-REAR_GLOBAL GH98-39387A
QAR01 AUDIO-RECEIVER 3009-001705
QMO01 MOTOR DC-VIBRATION (SM-G600FY) GH31-00746A
QME01 ASSY MODULE-TOUCH KEY(SM-J7108) GH96-09606A
QCK02 POWER_KEY FPCB ASSY-SM-J7108 GH96-09675A
QKP01 ASSY KEY-HOME GH98-39525A
QFR02 ASSY CASE-FRONT UNIT_GLOBAL (GD) GH98-39495A
QMW01 WINDOW DISPLAY-FLASHB FRONT GH64-05693A
QVO01 KEY-VOLUME GH64-05696A
QCK01 KEY-POWER CH GH64-05740A
QRF02 TIM PAD-AP GH67-03128A
QRF03 RUBBER-DUMMY GH67-03131A
QRF04 ASSY RUBBER-MIC GH98-37607A
QCR151 SCREW-MACHINE 6001-003226
QFR01 SVC LCD ASSY-OCTA,(E/GOLD) GH97-18855A
QCR12 SCREW-MACHINE 6001-001530
QRT01 A/S-TAPE OCTA-TSP SVC GH81-13799A
QRT02 A/S-TOUCH KEY AS TAPE1 GH81-13792A
QRT03 CONDUCTIVE GASKET-OCTA CU SHEET GH02-12504A
QRT04 A/S-OCTA COVER PANEL TAPE GH81-13809A
QRT05 A/S-TOUCH KEY AS TAPE8 GH81-13797A
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7. Level 2 Repair
7-1. Components on the Rear Case
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7. Level 2 Repair
7-2. Pre-requisite
Tweezers / Disass'y Stick / Screw Driver Anti-statoc Gloves
Anti-static Mat Hot Plate
A OCTA Disassembly Holder OCTA Disassembly Upper
Ethyl Alcohol Cotton Swab
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7. Level 2 Repair
7-2. Parts which must be changed after repair
BOM Description Picture Remarks
A/S-TAPE OCTA-TSP SVC;SM-J710FN
[GH81-13799A]
Replace when
repair Front part
A/S-TOUCH KEY AS TAPE1;SM-
J710FN
[GH81-13792A]
A/S-OCTA CU SHEET;SM-J710FN
[GH81-13853A]
A/S-OCTA_SCF CUSHION SHEET;SM-
J710FN
[GH81-13854A]
A/S-TOUCH KEY AS TAPE8;SM-
J710FN
[GH81-13797A]
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7. Level 2 Repair
7-3. Disassembly
※Caution
1) Be care of scratch. ※Caution
1) Be care of scratch.
※Caution
1) Be care of scratch and molding damage.
1
1) Unscrew 18 points
2
1) Remove Rear from Set
2) Remove PBA front Front Assy
3~4
※This sequence just do when need to OCTA disassemble
1) After heating for 20 minutes the device at 75℃,take out the device from Mobile dryer
2) Detach the Bracket Cu tape carefully from the OCTA Cu sheet using Glass absorber and holder.
3) Be careful not to separate LCD from TSP.
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7. Level 2 Repair
7-4. Assembly
※Caution
1) Be care of tilt ※Caution
1) Be care of direction of assemble
※Caution
1) Be care of direction of assemble
1 1) Assemble Main PBA on Bracket
2) Assemble the OCTA & touchkey connector.
2 1) Assemble Rear on Front assy
(sequence 1→2→3)
3 1) Assemble Screw 18 point
※ Torque : 1.3 Kgf·cm (SPEC : 1.3±0.05) 4 1) Do pre-function test
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8. Level 3 Repair
8-1. Components Layout
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8. Level 3 Repair
8-2. Block Diagram
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8. Level 3 Repair
ANT3002
AU6000
C1004
C1005
C1008
C10231
C1067
C1068
C1075
C1076
C1081
C1085
C1091
C1098
C1130
C2021
C2039
C2041
C2043
C2046
C3032
C3034
C3036
C3037
C3038
C3039
C3040
C3041
C3042
C3044
C3045
C3046
C3047
C3048
C3049
C3050
C3051
C3052
C3053
C3054
C4000
C4001
C4002
C4003
C4004
C4006
C4007
C4008
C4010
C4011
C4014
C4015
C4017
C4018
C4019
C4021
C4024
C4028
C4029
C4030
C4031
C4034
C4035
C4036
C4037
C4038
C4039
C4043
C4045
C4046
C4047
C4048
C4050
C4051
C4052
C4053
C4054
C4066
C4072
C4075
C4076
C4087
C4088
C4103
C4104
C4107
C4108
C4115
C4116
C4117
C4118
C4119
C4120
C4121
C4122
C4123
C4125
C4126
C4129
C4130
C4131
C4132
C4133
C4134
C4135
C4136
C4137
C4138
C4139
C4142
C4143
C5000
C5001
C5002
C5003
C5004
C5005
C5006
C5007
C5008
C5009
C5010
C5011
C5012
C5013
C5014
C5015
C5016
C5017
C5018
C5019
C5020
C5021
C5022
C5023
C5024
C5025
C5030
C5031
C5033
C5034
C5035
C5036
C5037
C5038
C5039
C5040
C5041
C5042
C5043
C5044
C5045
C5046
C5047
C5048
C5049
C5050
C5051
C5052
C5054
C5055
C5056
C5057
C5058
C5059
C5060
C5061
C5062
C5063
C5064
C5065
C5066
C5067
C5068
C5069
C5070
C5071
C5072
C5073
C5074
C5075
C5076
C5077
C5078
C5079
C5080
C5081
C5082
C5083
C5086
C5087
C5088
C5089
C5090
C5091
C5092
C5093
C5094
C5095
C5098
C5099
C5100
C5101
C5102
C5103
C5104
C5105
C5135
C5140
C6003
C6004
C6005
C6006
C6007
C6008
C6009
C6010
C6011
C6012
C6013
C6014
C6015
C6017
C6032
C6046
C6047
C6057
C6059
C6060
C6061
C6062
C6063
C6064
C6065
C6068
C6069
C6070
C6072
C7000
C7002
C7003
C7007
C7012
C7013
C7014
C7015
C7016
C7017
C7027
C7028
C7043
C7044
C7046
C7047
CHGINOK
CN5000
D_N
D_P
F3001
HDC5001
HDC6000
HDC7001
HDC7002
L1004
L1006
L1040
L1081
L1083
L2036
L3006
L3007
L3008
L3009
L3010
L3011
L3012
L3013
L3014
L3015
L4001
L5000
L5001
L5002
L5003
L5004
L5005
L5006
L5007
L5014
L6001
L6002
L6003
L6004
L6005
L6008
L6009
L6011
L6012
L6013
L6014
L6015
L6016
L6017
L7009
LED5000
MAANT11
MAANT14
MAANT16
NFANT30
NFANT31
OSC5000
Q6000
Q7000
R1007
R1008
R1009
R3015
R3016
R3017
R4000
R4001
R4048
R4049
R4056
R4058
R4065
R4066
R4067
R4069
R4079
R4089
R4100
R5001
R5002
R5003
R5004
R5007
R5008
R5009
R5010
R5011
R5012
R5013
R5014
R5015
R5016
R5019
R5020
R5022
R5023
R5024
R5026
R5029
R5030
R5031
R5032
R5033
R5034
R5035
R5036
R5038
R5040
R5041
R5042
R5043
R5044
R5045
R5046
R5047
R5145
R5146
R5147
R5148
R5149
R6000
R6002
R6003
R6004
R6006
R6007
R6008
R6009
R6011
R6012
R6013
R6016
R6017
R6018
R6019
R6020
R6021
R6022
R6031
R6032
R6033
R6035
R6036
R6039
R6040
R6052
R6073
R7002
R7004
R7012
RFS1000
SC2000
SC2002
SPK6000
SPK6001
SUANT21
SUANT23
SUANT26
SUS7000
SUS7001
TH4000
TP_1P8
TP_CP5000
TP_GNSS_ADB_VIN_Q
TP_GNSS_ADC_VIN_I
TP_UB0
TP_UB1
TP3000
TP3001
TP3003
TP3009
TP3010
TP4010
TP5000
TP5001
TP5002
TP5006
TP5037
TP6000
U1001
U1003
U2006
U3005
U5000
U5002
U5003
U5004
U5007
U5008
U6003
V1001
V1002
V1004
V2002
V2003
V2004
V2005
V2006
V2011
V2015
WIANT31
ZD5000
ZD5001
ZD5002
ZD5006
ZD5007
ZD5008
ZD5009
ZD5010
ZD6000
ZD6001
ZD6002
ZD6003
ZD6004
ZD6005
ZD6006
ZD6007
ZD6008
ZD6009
ZD6010
ZD6014
ZD7001
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8. Level 3 Repair
ANT6000
ANT6001
ANT6002
ANT6003
ANT6005
ANT6006
BH200
BH201
BH202
BH203
BH204
BH205
BH206
BH207
BH208
BH209
BH210
BH211
BH212
BTC5000
C1000
C1001
C1002
C1003
C1006
C1007
C1009
C1010
C1011
C1012
C1013
C1014
C1015
C1016
C1017
C1018
C1019
C1020
C1021
C1022
C1023
C1024
C1025
C1026
C1027
C1028
C1029
C1030
C1031
C1032
C1033
C1034
C1035
C1036
C1037
C1038
C1039
C1040
C1041
C1042
C1043
C1044
C1045
C1046
C1047
C1048
C1049
C1050
C1051
C1052
C1053
C1054
C1055
C1056
C1057
C1058
C1059
C1060
C1061
C1062
C1063
C1064
C1065
C1066
C1069
C1070
C1071
C1072
C1073
C1074
C1077
C1078
C1079
C1080
C1082
C1083
C1084
C1086
C1087
C1088
C1089
C1090
C1092
C1093
C1094
C1095
C1096
C1097
C1099
C1100
C1101
C1112
C1121
C1122
C1129
C1132
C1134
C1140
C2000
C2001
C2002
C2003
C2004
C2005
C2006
C2007
C2008
C2009
C2010
C2011
C2012
C2013
C2014
C2015
C2016
C2017
C2018
C2019
C2020
C2022
C2023
C2024
C2025
C2026
C2027
C2028
C2029
C2030
C2031
C2032
C2033
C2034
C2035
C2036
C2037
C2038
C2040
C2042
C2044
C2045
C2047
C2048
C2049
C2050
C2051
C2052
C2053
C2054
C2055
C2056
C2057
C2058
C2059
C2060
C2061
C2062
C2063
C2064
C2065
C2066
C2067
C2068
C2069
C2070
C2071
C2072
C2073
C2074
C2075
C2077
C2080
C2082
C2083
C3000
C3001
C3002
C3003
C3004
C3005
C3006
C3007
C3008
C3009
C3010
C3011
C3012
C3013
C3014
C3015
C3016
C3017
C3018
C3019
C3020
C3021
C3022
C3023
C3024
C3025
C3026
C3027
C3028
C3029
C3030
C3031
C3033
C3035
C3043
C3055
C3056
C3058
C3059
C3060
C3061
C3083
C3086
C3401
C4005
C4009
C4020
C4023
C4025
C4026
C4056
C4057
C4065
C4086
C4124
C5026
C5027
C5028
C5029
C5032
C5053
C5084
C5085
C5134
C6000
C6001
C6002
C6016
C6077
C6078
C7001
C7004
C7005
C7006
C7008
C7009
C7010
C7011
C7018
C7019
C7020
C7021
C7022
C7023
C7024
C7025
C7026
C7029
C7030
C7031
C7032
C7033
C7034
C7035
C7036
C7037
C7038
C7039
C7040
C7041
C7042
C7045
C7054
C7056
C7072
C7073
D6000
Debug_TP
F1000
F1001
F1002
F1003
F1004
F1005
F1006
F1007
F1008
F1009
F1011
F1012
F1015
F2000
F2001
F2002
F2003
F2004
F2005
F2006
F2007
F2008
F2009
F2010
F3000
GNAND21
GNANT20
GNANT22
GNANT23
HDC7000
IFC7000
L1000
L1001
L1002
L1003
L1005
L1007
L1008
L1009
L1010
L1011
L1012
L1013
L1014
L1015
L1016
L1017
L1018
L1019
L1020
L1021
L1022
L1023
L1024
L1025
L1026
L1027
L1028
L1029
L1030
L1031
L1032
L1033
L1034
L1035
L1036
L1037
L1038
L1039
L1041
L1042
L1043
L1044
L1045
L1046
L1047
L1048
L1049
L1050
L1051
L1052
L1053
L1054
L1055
L1056
L1057
L1058
L1061
L1064
L1066
L1067
L1069
L1070
L1075
L1077
L1078
L1079
L1080
L2000
L2001
L2002
L2003
L2004
L2005
L2006
L2007
L2008
L2009
L2010
L2011
L2012
L2013
L2014
L2015
L2016
L2017
L2018
L2019
L2020
L2021
L2022
L2023
L2024
L2025
L2026
L2027
L2028
L2029
L2030
L2031
L2032
L2033
L2034
L2035
L2037
L3000
L3001
L3002
L3003
L3004
L3005
L3016
L3018
L3019
L3020
L3021
L3022
L3023
L3024
L6000
L6006
L6007
L7000
L7001
L7003
L7004
L7005
L7006
L7007
L7008
L7010
LED5001
MAANT10
MAANT12
MAANT13
MAANT15
OSC3000
OSC3001
OSC3002
PAM1000
PAM1001
R1000
R1001
R1002
R1003
R1004
R1005
R1006
R2000
R2001
R2002
R2003
R2004
R2005
R2006
R2007
R3000
R3001
R3002
R3003
R3014
R4002
R4003
R4005
R4006
R4007
R4008
R4009
R4010
R4012
R4013
R4014
R4015
R4016
R4017
R4018
R4019
R4020
R4023
R4025
R4029
R4034
R4037
R4041
R4050
R4051
R4064
R4068
R4072
R4077
R4078
R4082
R4083
R4090
R4091
R4092
R4093
R4094
R4095
R4096
R4097
R4098
R4103
R4104
R5000
R5005
R5006
R5017
R5018
R6005
R6010
R6014
R6015
R6041
R6050
R6071
R6072
R7001
R7010
R7011
R7049
R7050
R7055
SC2001
SC2003
SC2005
SC7000
SC7001
SC7002
SUANT20
SUANT22
SUANT24
SUANT25
SUS7002
TAC6000
TAC6001
TCX2000
TH2000
TH4001
TP_BB_IQ
TP_BT_WLAN_SLEEP_CLK
TP_CLK_MON
TP_COVER_INT
TP_DSCL
TP_MODEM_TO_CLK_4000
TP_NFC_CLK_REQ
TP_NFC_EN
TP_NFC_FIRM
TP_NFC_IRQ
TP_NFC_SWDIO
TP_NFC_TCK
TP_TDMB_EN
TP_TDMB_INT
TP_TDMB_SPI_CLK
TP_TDMB_SPI_CS_N
TP_TDMB_SPI_MISO
TP_TDMB_SPI_MOSI
TP_TR_SPI_CLK
TP_TR_SPI_DATA
TP3002
TP305
TP306
TP307
TP308
TP4043
TP5004
TP5027
TP7000
TP7001
TSP_TA
TXM1000
U1000
U1002
U1004
U1005
U10479
U2000
U2001
U2002
U2003
U2004
U2005
U2007
U2008
U3000
U3001
U3002
U3003
U3004
U3006
U3007
U6000
U6004
U7000
U7001
U7002
U7003
U7004
U7005
U7006
U7008
U7041
UCP400
UME5000
V1000
V1003
V2000
V2001
V2007
V2008
V2009
V2010
V2012
V2013
V2014
V2016
V3000
VR3000
WIANT30
ZD1000
ZD3000
ZD3001
ZD5003
ZD5004
ZD5005
ZD6011
ZD6012
ZD6013
ZD7000
ZD7002
ZD7003
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Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-3. Flow Chart of Troubleshooting
Oscilloscope Digital Multimeter
Power Supply + driver, ESD Safe Tweezer
8960 & Spectrum Analyzer Soldering iron
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Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4. Power On
Mobile phone does not power on.
Check the Battery
Voltage.
Is it more than 3.8V?
Charging the battery by TA.
If its voltage level is extremely low(under 3.0V),
Change the battery.
Power-on the phone and
check the power-on sound
or motor Vibration.
Sound or Vibration is ok?
Change the FRONT-LCD ASSY
Check the voltage level at
ANT6002 or R6015 while pressing
power key. Is the voltage high?
Check the signal of
PMIC_PWR_HOLD =
1.8V
Check the Clock OSC5000
Is the frequency 24Mhz?
Replace the POWER KEY FPCB.
Check the output voltage of U5004
(L5002 = 0.8V, L5004 = 0.8V, L5003 = 0.8V, L5005 = 1.35V,
L5006 = 2.0V, C5006 = 1.8V and other LDO Voltage.)
If the output voltage is not normal, Change the U5004.
※Each volta
g
e level has ±10% mar
g
in.
check the initial operation
END
Yes
Yes
Abnormal
No
No
Yes
Yes
No
Yes
Replace the OSC5000.
No
Yes
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Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-2. Initial
Initial Failure.
Re-download latest
SW on the mobile
phone.
Re Check "8-4-1 Power on"
Trouble shooting process Check the OSC5000 (Crack, open etc.)
Check the U5004
(
Crack etc
)
Change PBA
Yes
Abnormal
Abnormal
Change UCP400
Normal
Abnormal
END
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Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-3. No Service
No service
Home screen →Phone →Keypad
→*#1234# →check Phone version
→CP : T285XXXX or unknown Check the connection of RF coaxial cable
Replace the TCX2000
Yes
CP : J710XXX
Replace the U2002
CP : unknown
END
Check menu setting
Settings → Mobile networks → Network mode →Is setting auto connect ?
Check the voltage level
C2049 = 1.8V C2050 = 1.2V
C2050 = 1.2V C2052 = 1.2V
C2054 = 1.2V C2057 = 1.2V
C2036 = 1.8V C2059 = 1.8V
Check TCX2000
Frequency = 26MHz
Replace UCP400
No
Yes
No
Yes
Yes
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Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-4. Sim Part(SIM1)
Insert SIM card
Change to the new
SIM card. Work
nomal?
Yes
No
Check the U3003 and U5004
No
END
Check the SIM
Voltage.
C5098 >= 1.8 or
3.0 V
Check that SIM
RST/IO/CLK.
(ZD5001,ZD5002,
ZD5007)
has signal
Check the UCP400 (Crack etc)
No
Yes
Yes
Is SIM socket ok? Resoldering SIM socket pad
No
Yes
Yes
END
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